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<h1 id="release-notes-for-stm32wbxx-cmsis"><small>Release Notes for</small> STM32WBxx CMSIS</h1>
<p>Copyright © 2019 STMicroelectronics<br />
</p>
<a href="https://www.st.com" class="logo"><img src="_htmresc/st_logo.png" alt="ST logo" /></a>
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<h1 id="license">License</h1>
<p>This software component is licensed by ST under BSD 3-Clause license, the “License”; You may not use this component except in compliance with the License. You may obtain a copy of the License at:</p>
<p><a href="https://opensource.org/licenses/BSD-3-Clause">https://opensource.org/licenses/BSD-3-Clause</a></p>
<h1 id="purpose">Purpose</h1>
<p>This driver provides the CMSIS device for the stm32wbxx products. This covers</p>
<ul>
<li>STM32WB55xx devices</li>
<li>STM32WB50xx devices</li>
</ul>
<p>This driver is composed of the descriptions of the registers under “Include” directory.</p>
<p>Various template file are provided to easily build an application. They can be adapted to fit applications requirements.</p>
<ul>
<li>Templates/system_stm32wbxx.c contains the initialization code referred as SystemInit.</li>
<li>Startup files are provided as example for IAR©, KEIL© and SW4STM32©.</li>
<li>Linker files are provided as example for IAR©, KEIL© and SW4STM32©.</li>
</ul>
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<h1 id="update-history">Update History</h1>
<div class="collapse">
<input type="checkbox" id="collapse-section4" checked aria-hidden="true"> <label for="collapse-section4" aria-hidden="true">v1.3.0 / 11-September-2019</label>
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<h2 id="main-changes">Main Changes</h2>
<p>Maintenance release for <strong>STM32WBxx</strong> devices (stm32wb55xx and stm32wb50xx devices)</p>
<table>
<thead>
<tr class="header">
<th style="text-align: left;">Fixed bugs headline</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td style="text-align: left;">Remove IS_TIM_SYNCHRO_INSTANCE macro from CMSIS</td>
</tr>
<tr class="even">
<td style="text-align: left;">Move FLASH_SIZE define from hal flash. h to cmsis device file</td>
</tr>
<tr class="odd">
<td style="text-align: left;">Correct size of .bin files generated by SW4STM32</td>
</tr>
<tr class="even">
<td style="text-align: left;">Remove RCC_PLLSAI_SUPPORT for STM32WB50</td>
</tr>
</tbody>
</table>
<h2 id="development-toolchains-and-compilers">Development Toolchains and Compilers</h2>
<ul>
<li>IAR Embedded Workbench for ARM (EWARM) toolchain V8.20.2</li>
<li>RealView Microcontroller Development Kit (MDK-ARM) toolchain V5.25</li>
<li>System Workbench STM32 (SW4STM32) toolchain V2.7</li>
</ul>
<h2 id="supported-devices-and-boards">Supported Devices and boards</h2>
<ul>
<li>STM32WB55xx, STM32WB50xx devices</li>
</ul>
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<div class="collapse">
<input type="checkbox" id="collapse-section3" aria-hidden="true"> <label for="collapse-section3" aria-hidden="true">V1.2.0 / 26-June-2019</label>
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<h2 id="main-changes-1">Main Changes</h2>
<h3 id="introduction-of-stm32wb50xx-device">Introduction of STM32WB50xx device</h3>
<p>First release for STM32WBxx CMSIS introducing <strong>stm32wb50xx</strong> devices.</p>
<h2 id="contents">Contents</h2>
<p>CMSIS devices files for stm32wb55xx, stm32wb50xx devices.</p>
<h2 id="development-toolchains-and-compilers-1">Development Toolchains and Compilers</h2>
<ul>
<li>IAR Embedded Workbench for ARM (EWARM) toolchain V8.20.2</li>
<li>RealView Microcontroller Development Kit (MDK-ARM) toolchain V5.25</li>
<li>System Workbench STM32 (SW4STM32) toolchain V2.7</li>
</ul>
<h2 id="supported-devices-and-boards-1">Supported Devices and boards</h2>
<ul>
<li>STM32WB55xx and STM32WB50xx devices</li>
</ul>
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<div class="collapse">
<input type="checkbox" id="collapse-section2" aria-hidden="true"> <label for="collapse-section2" aria-hidden="true">V1.1.0 / 05-April-2019</label>
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<h2 id="main-changes-2">Main Changes</h2>
<h3 id="maintenance-release">Maintenance release</h3>
<p>Maintenance release for <strong>STM32WBxx</strong> devices (stm32wb55xx devices)</p>
<table>
<caption>Fixed bugs list</caption>
<thead>
<tr class="header">
<th>Headline</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td>Correct GCC linker file: Set available size of RAM1 to 192K - 4 instead of 191K.</td>
</tr>
<tr class="even">
<td>Set FLASH_ACR_LATENCY_x as uint32_t (UL instead of U).</td>
</tr>
</tbody>
</table>
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<div class="collapse">
<input type="checkbox" id="collapse-section1" aria-hidden="true"> <label for="collapse-section1" aria-hidden="true">V1.0.0 / 06-February-2019</label>
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<h2 id="main-changes-3">Main Changes</h2>
<h3 id="first-release">First release</h3>
<p>Add support of STM32WB55xx.</p>
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<footer class="sticky">
<p>For complete documentation on STM32WBxx, visit: [<a href="http://www.st.com/stm32wb">www.st.com/stm32wb</a>]</p>
<em>This release note uses up to date web standards and, for this reason, should not be opened with Internet Explorer but preferably with popular browsers such as Google Chrome, Mozilla Firefox, Opera or Microsoft Edge.</em>
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